CVE-2026-32776
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
CVE-2026-32776 is fixed in 7 products on 1 platform, first by DEBIAN-CVE-2026-32776, released March 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0017
6th percentile
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| MozillaFirefox · opensuse-leap 16.0 | 153.5.0-160000.1.1 | OPENSUSE-SU-2026:22139-1 | Nov 7, 2026 |
| MozillaFirefox · sles 15.6 | 153.5.0-150400.157.16.1 | SUSE-SU-2026:4834-1 | Nov 7, 2026 |
| MozillaFirefox · sles 15.7 | 153.5.0-150400.157.16.1 | SUSE-SU-2026:4834-1 | Nov 7, 2026 |
| MozillaFirefox · sles 16.0 | 153.5.0-160000.1.1 | SUSE-SU-2026:24260-1 | Nov 7, 2026 |
| MozillaThunderbird · sles 15.7 | 153.5.0-150400.13.9.1 | SUSE-SU-2026:4736-1 | Nov 7, 2026 |
| expat · Debian 12.15 (bookworm) | 2.5.0-1+deb12u4 | DEBIAN-CVE-2026-32776 | Mar 16, 2026 |
| expat · Debian 13.5 (trixie) | 2.8.2-1~deb13u1 | DEBIAN-CVE-2026-32776 | Mar 16, 2026 |
| expat · Debian 14 | 2.7.5-1 | DEBIAN-CVE-2026-32776 | Mar 16, 2026 |
| expat · Ubuntu 18.04.6 LTS (bionic) | 2.2.5-3ubuntu0.9+esm4 | expat 2.2.5-3ubuntu0.9+esm4 | Jun 21, 2026 |
| expat · Ubuntu 20.04 LTS (focal) | 2.2.9-1ubuntu0.8+esm2 | expat 2.2.9-1ubuntu0.8+esm2 | Jun 21, 2026 |
| expat · Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.8 | expat 2.4.7-1ubuntu0.8 | Jun 21, 2026 |
| expat · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.5 | expat 2.6.1-2ubuntu0.5 | Jun 21, 2026 |
| expat · Ubuntu 26.04.1 LTS (resolute) | 2.7.4-1ubuntu0.1 | expat 2.7.4-1ubuntu0.1 | Jun 21, 2026 |
| expat · opensuse-leap 15.6 | 2.7.1-150400.3.37.1 | SUSE-SU-2026:1166-1 | Apr 2, 2026 |
| expat · opensuse-leap 16.0 | 2.8.5-160000.1.1 | OPENSUSE-SU-2026:22177-1 | Nov 7, 2026 |
| expat · sles 15.6 | 2.8.5-150400.3.40.1 | SUSE-SU-2026:4623-1 | Nov 7, 2026 |
| expat · sles 15.7 | 2.8.5-150700.3.15.1 | SUSE-SU-2026:4619-1 | Nov 7, 2026 |
| expat · sles 16.0 | 2.8.5-160000.1.1 | SUSE-SU-2026:24469-1 | Nov 7, 2026 |
| firefox · amzn 2023 | 140.8.0-1.amzn2023.0.2 | ALAS2023-2026-1518 | Mar 30, 2026 |
| firefox-debuginfo · amzn 2023 | 140.8.0-1.amzn2023.0.2 | ALAS2023-2026-1518 | Mar 30, 2026 |
| firefox-debugsource · amzn 2023 | 140.8.0-1.amzn2023.0.2 | ALAS2023-2026-1518 | Mar 30, 2026 |
| libexpat1 · Ubuntu 18.04.6 LTS (bionic) | 2.2.5-3ubuntu0.9+esm4 | libexpat1 2.2.5-3ubuntu0.9+esm4 | Jun 21, 2026 |
| libexpat1 · Ubuntu 20.04 LTS (focal) | 2.2.9-1ubuntu0.8+esm2 | libexpat1 2.2.9-1ubuntu0.8+esm2 | Jun 21, 2026 |
| libexpat1 · Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.8 | libexpat1 2.4.7-1ubuntu0.8 | Jun 21, 2026 |
| libexpat1 · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.5 | libexpat1 2.6.1-2ubuntu0.5 | Jun 21, 2026 |
| libexpat1 · Ubuntu 26.04.1 LTS (resolute) | 2.7.4-1ubuntu0.1 | libexpat1 2.7.4-1ubuntu0.1 | Jun 21, 2026 |
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